Over the past year, smart money has spotted a new frontier in artificial intelligence (AI) poised to break through: memory and storage.
One side of the equation is Micron Technology(NASDAQ:MU)experts in dynamic random access memory (DRAM) and NAND solutions. the other side is SanDisk(NASDAQ: SNDK)NAND flash memory expert.
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Both stocks are absolutely on fire so far in 2026, and growth investors are definitely weighing the pros and cons of these chip stocks. Let’s consider whether it’s better to buy now, Micron or SanDisk, and why.
Image source: Getty Images.
In the early stages of the ongoing AI data center construction, NVIDIA Ability to capture a significant portion of capital expenditures for hyperscale enterprises, e.g. Microsoft, Amazon, letterand meta platform.
However, as generative AI workloads scale, investors are beginning to realize that high-performance computing systems require not only cutting-edge processors, but also massive amounts of memory chips and high-speed storage solutions.
The increasing capital expenditure budgets of large technology companies have caused a serious supply and demand imbalance in the memory and storage market, and the prices of DRAM and NAND chips are expected to surge by 60% and 38% respectively in the first quarter, even after the previous sharp rise.
This memory supercycle brought unprecedented revenue and profit growth to companies like Sandisk and Micron. As a result, investors began to shift capital away from hyperscalers and capture a larger share of the beneficiaries of hyperscaler spending.
You may already be familiar with Sandisk because the company’s chips often appear in consumer electronics. Following its spin-off Western Digital Last February, Sandisk emerged as a big winner in the ongoing memory supercycle. The reason is simple: it occupies a specific niche in NAND flash storage.
It focuses on enterprise-grade solid-state drives (SSDs) and other storage solutions suitable for scaling artificial intelligence workloads. One of Sandisk’s more savvy innovations is its high-bandwidth flash (HBF), essentially a way to deliver memory capacity in a more energy-efficient way than traditional high-bandwidth memory (HBM) products.
This is an especially lucrative value proposition for hyperscale enterprises, which not only spend hundreds of billions of dollars building data centers, but also equip these facilities to operate sustainably and (to the extent possible) use less electricity.
The question of whether SanDisk or Micron is a better investment for you will ultimately come down to your risk appetite.
Micron is a major player in DRAM solutions and remains the top supplier in the fragmented HBM market. This more diversified business may make Micron look more balanced than Sandisk, which is more of a pure opportunity in NAND flash memory.
SNDK P/E ratio (forward) data provided by YCharts.
The forward price-to-earnings (P/E) ratios of the two are quite similar. Both trade at significant discounts compared to other leading AI semiconductor stocks.
While these other chip stocks each have their own underlying market opportunity, the high-level takeaway from this relative discount is that both Micron and SanDisk appear to be in the midst of some degree of valuation expansion as memory and storage become increasingly important pillars of the AI ​​megatrend.
The acceleration of demand may cause memory and storage chips to remain the bottleneck of artificial intelligence infrastructure construction for a long time. Against this backdrop, I think it would be prudent to hold shares of both Micron and SanDisk.
Before buying Sandisk stock, consider the following factors:
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Adam Spatacco has worked at Alphabet, Amazon, Meta Platforms, Microsoft and Nvidia. The Motley Fool owns and recommends Advanced Micro Devices, Alphabet, Amazon, Meta Platform, Micron Technology, Microsoft, Nvidia, Taiwan Semiconductor Manufacturing and Western Digital. “Motley Fool” recommends Broadcom. The Motley Fool has a disclosure policy.
Should You Forget Micron Technology and Buy Other Artificial Intelligence (AI) Chip Stocks? Originally posted by The Motley Fool
